7801601506 has 16 divisors (see below), whose sum is σ = 11929226400. Its totient is φ = 3825509248.

The previous prime is 7801601503. The next prime is 7801601513. The reversal of 7801601506 is 6051061087.

It is not an unprimeable number, because it can be changed into a prime (7801601501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29455 + ... + 128338.

It is an arithmetic number, because the mean of its divisors is an integer number (745576650).

Almost surely, 2^7801601506 is an apocalyptic number.

7801601506 is a deficient number, since it is larger than the sum of its proper divisors (4127624894).

7801601506 is a wasteful number, since it uses less digits than its factorization.

7801601506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158273.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 7801601506 is about 88326.6749402467. The cubic root of 7801601506 is about 1983.3282039334.

The spelling of 7801601506 in words is "seven billion, eight hundred one million, six hundred one thousand, five hundred six".